H. John Caulfield (March 25, 1936 – January 31, 2012) was an American physicist who specialized in holography and optical computing.
He was the author of numerous refereed publications, a Fellow of the Optical Society of America and the SPIE.
He was also awarded the SPIE Gold Medal in 2005.
Caulfield did research at Texas Instruments and later became a professor at the University of Alabama in Huntsville.
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